How severe is CVE-2019-8581?

CVE-2019-8581 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-8581 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-8581?

CVE-2019-8581 affects Apple Airport Base Station Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-8581?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-8581 published?

CVE-2019-8581 was published on 2020-10-27 and last updated on 2026-06-17.

CVE-2019-8581

CVE-2019-8581 is a critical-severity vulnerability in Apple Airport Base Station Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Apple Airport Base Station Firmware
Published: 2020-10-27
Last modified: 2026-06-17

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in AirPort Base Station Firmware Update 7.8.1, AirPort Base Station Firmware Update 7.9.1. A remote attacker may be able to leak memory.

Frequently asked questions

What is CVE-2019-8581?: An out-of-bounds read was addressed with improved input validation. This issue is fixed in AirPort Base Station Firmware Update 7.8.1, AirPort Base Station Firmware Update 7.9.1. A remote attacker may be able to leak memory.
How severe is CVE-2019-8581?: CVE-2019-8581 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-8581 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-8581?: CVE-2019-8581 affects Apple Airport Base Station Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-8581?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-8581 published?: CVE-2019-8581 was published on 2020-10-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:apple:airport_base_station_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Apple Airport Base Station Firmware

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CVE-2019-8588 — High (CVSS 7.5): A null pointer dereference was addressed with improved input validation. This issue is fixed in AirPort Base Station…

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Other CWE-125 (Out-of-bounds Read) vulnerabilities

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CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

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